/*margin*/
/*padding*/
/*border*/
/*背景颜色*/
/*字体颜色*/
/*位置*/
/*定位*/
.transition {
  transition: ease 1s;
}
/*宽高*/
/*圆角*/
/*圆*/
/*字体*/
/*盒子模型*/
.boxSizing {
  box-sizing: border-box;
}
.flexCenter {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex {
  display: flex;
}
